The curved corrugated sheets produced by a silo roll forming machine not only have a beautiful appearance, but also have high precision and compatibility, and are easy to assemble.Īfter assembly, the corrugated panels have a good fit and strong sealing. When installing the cylindrical body of the steel silo, workers connect 1.12-meter-high curved corrugated panels to form a ring, and then stack rings from top to bottom to form a cylinder.Īs the main component of the cylindrical body, the corrugated panels come out from a silo roll forming machine, which consists of an unwinder, feeding leveler, hydraulic punch press, hydraulic cutter, and online curving machine. The cylindrical body of the steel grain silo includes the items below: Some customers will request to add walkways and handrails to the roof eaves, facilitating workers to inspect the roof, and protecting the safety of workers. It could also be the handrail that surrounds the eave walkway. The handrails on the roof may refer to the handrails on both sides of the roof ladder You’d better check the grain situation in the bin frequently, and open or close the aeration system according to the temperature and humidity changes of the grain in the bin. However, the efficiency of natural ventilation is low and limited by weather and geographical conditions. You can open this vent when the weather conditions are good, the hot air and wind pressure promote the gas exchange inside and outside the steel silo, balancing the temperature and humidity of the grain in the silo. Natural vents consist of a cap, a duct & a flange. Please also remember to open the natural vent on the roof, and if necessary, start the axial fan on the roof. When you need to cool down the grain in the bin, open the air vent and then turn on the aeration system. Air VentĪ hose connects this air vent with the outlet of the bottom air fan. Its installation position is close to the roof ladder. The manhole is suitable for observing the grain in the bin, a pressure closure fixes its door.Īnd its four folded edges ensure its airtightness. In order to improve safety, there are handrails on both sides of it. The roof ladder connects the eaves and the top collar and serves as a road leading to the manhole and catwalk. The tower transfers the catwalk and conveyor loads directly to the ground without adding additional loads to the sidewall stiffeners. Workers can patrol above and maintain the silo and auxiliary equipment.įor large-capacity & large-diameter galvanized steel silos, since it equips with a heavy-duty conveyor, it is necessary to install an additional tower to support the catwalk. The catwalk on the roof supports the conveyor. With the cylindrical body panels sharing the pressure, the compression ring supports the entire silo roof. It is fixed on the top cylindrical body panels and connected with the top collar through purlins, forming the frame of the silo roof. When the installation site of the corrugated steel silo is in an area with strong wind, it is necessary to install a support ring on the roof to improve its wind resistance. Its unique double-bending ribs make the roof panels tightly connected, firm, and non-deformed and have a stronger load-bearing capacity. It covers the purlins from the collar to the eaves to support snow loads. Roof panels are made of hot-dip galvanized sheets through cold roll forming and CNC punching. With its existence, the roof can bear a greater load, which helps increase the diameter and capacity of the entire galvanized silo. This stiffening ring is not integral but is surrounded by many reinforcement ribs spanning between two purlins. In fact, the small-diameter, small-capacity steel silo does not have purlins and rafters, and purlins and rafters often appear on large-diameter, high-capacity metal silos.Īfter adding purlins or rafters to the roof, the load capacity of the roof greatly increases, especially suitable for high latitude and cold regions.īecause there is a lot of snow in such areas during winter, the thick snow will cause great pressure on the roof. To support the whole roof, the compression ring is fixed to the bin’s topmost rings of the body sheet by screws and nuts. The feed inlet and top cover are fixed on the top collar. The top collar is a circular ring structure connected with the compression ring by purlins, forming the frame of the conical silo roof. If the bucket elevator pours the grain directly into the chute for grain loading, the chute links to the feed inlet directly. When the drag conveyor is responsible for loading grain, its outlet connects to this feed inlet
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